2.5 sec in total
75 ms
1.1 sec
1.3 sec
Click here to check amazing Opengo content. Otherwise, check out these important facts you probably never knew about opengo.io
Ardan Labs offers a variety of multi-day courses for software developers looking to grow their skills in Go (Golang), Kubernetes, and related technologies.
Visit opengo.ioWe analyzed Opengo.io page load time and found that the first response time was 75 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
opengo.io performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value9.4 s
0/100
25%
Value9.7 s
10/100
10%
Value430 ms
64/100
30%
Value0.002
100/100
15%
Value18.1 s
3/100
10%
75 ms
115 ms
68 ms
178 ms
38 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Opengo.io, 61% (33 requests) were made to Ardanlabs.com and 7% (4 requests) were made to Import.cdn.thinkific.com. The less responsive or slowest element that took the longest time to load (516 ms) relates to the external source Ardanlabs.com.
Page size can be reduced by 94.0 kB (7%)
1.4 MB
1.3 MB
In fact, the total size of Opengo.io main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 25.1 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 25.1 kB or 71% of the original size.
Potential reduce by 68.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Opengo images are well optimized though.
Potential reduce by 1 B
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.
Number of requests can be reduced by 10 (20%)
51
41
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opengo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
opengo.io
75 ms
115 ms
gtm.js
68 ms
bundle.min.a5c4e5239df4788871d716cef94c4e3f138e57513866539c67daeda834154ba0.css
178 ms
css
38 ms
jquery-3.5.1.min.dc5e7f18c8.js
33 ms
bundle.min.7a4867057d188a95ba51a90c6e77e08aa7a7ce8c1bdc44070e744e922c41e22e.js
107 ms
ardanlabs-logo.svg
99 ms
training-hero.png
143 ms
moov.svg
104 ms
zenimaxmedia.svg
100 ms
paypal.svg
129 ms
comcast.svg
131 ms
ebay.svg
132 ms
intel.svg
135 ms
foodlogiq.svg
157 ms
hello-fresh.svg
162 ms
caring.svg
160 ms
training-card-live.jpg
355 ms
training-card-self-paced.jpg
359 ms
go-training-card-wide.png
355 ms
kubernetes-training-card-wide.png
357 ms
rust-training-card-wide.png
353 ms
terraform-training-card-wide.png
356 ms
bill.jpg
361 ms
jerome-portrait.jpg
358 ms
miki.jpg
358 ms
herbert-wolverson-avatar.jpg
359 ms
webflow.js
516 ms
js
235 ms
uwt.js
18 ms
182578%2Fcustom_site_themes%2Fid%2FQ2oYJL37QTe1vArA6rUy_testimonial-kelseyhightower.png
345 ms
cisco-test.png
240 ms
jessgrene_test2021.png
239 ms
ziprecuriter_log.png
238 ms
summit_test.png
239 ms
lasse-osterild.png
238 ms
jack-lincoln-test.png
343 ms
cta-bg.jpg
341 ms
form-confirm.svg
342 ms
182578%2Fcustom_site_themes%2Fid%2FNJwYLIuSt2HLvnUz5R8k_testimonial-deniyistephen.png
354 ms
182578%2Fcustom_site_themes%2Fid%2FOO2aX97NTNqQ4sFUOirL_testimonial-diego.png
439 ms
182578%2Fcustom_site_themes%2Fid%2FKxdgG82S7KGHoJZ5Mnog_testimonial-matthew.png
409 ms
adsct
352 ms
adsct
345 ms
fontawesome-webfont.woff
261 ms
203 ms
insight.min.js
162 ms
fbevents.js
136 ms
pixel.js
129 ms
lftracker_v1_ywVkO4XynoeaZ6Bj.js
438 ms
rp.gif
35 ms
t2_765ylmxh_telemetry
42 ms
40 ms
opengo.io accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
opengo.io best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
opengo.io SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opengo.io can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Opengo.io main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
opengo.io
Open Graph data is detected on the main page of Opengo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: